• 제목/요약/키워드: Two-sample T-test

검색결과 584건 처리시간 0.024초

등뼈와 엉덩관절 가동성운동을 겸한 허리 안정성 운동이 만성 허리통증 여성 환자들의 통증과 균형에 미치는 영향 (Effects of Thoracic and Hip Joint Mobility Exercise and Lumbar Stability Exercise on Pain and Balance in Women with Chronic Back Pain)

  • 최윤경;김영민
    • 대한정형도수물리치료학회지
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    • 제29권2호
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    • pp.1-10
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    • 2023
  • Background: The purpose of this study was to evaluate the pain, static balance, and dynamic balance abilities of women with chronic low back pain by performing thoracic and hip joint mobility exercises and lumbar stability exercises. Methods: The subjects of this study were 20 adult women with low back pain who lived in C city for more than 12 weeks. The experimental group performed the thoracic and hip mobility exercises with lumbar stability exercises and the control group performed the lumbar stability exercise with general exercise program. Both groups participated in the exercise program three times a week for six weeks, from December 20, 2022 to March 7, 2023. The balance ability were measured using BT4, and pain was measured using visual analog scale (VAS). The collected data were analyzed by independent sample t-test and paired t-test using SPSS version 23.0 program. Results: After 6 weeks of intervention, there was a significant change in VAS between the experimental group and the control group, and there was no difference between the two groups (p>.05). In the case of balance ability, there was a no significant increase in the experimental group (p>.05). Conclusion: Thoracic and hip joint mobility exercises and lumbar stability exercises for adult female patients with chronic low back pain may be partially effective in static balance and dynamic balance.

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가로막 스트레칭 기법에 의한 허리통증 환자의 최대들숨압력과 최대날숨압력, 허리 가동성 변화 (Changes of Maximum Inspiratory Pressure, Maximum Expiratory Pressure, Back Mobility by Diaphragm Stretching Technique in Patients with Low Back Pain)

  • 공인영
    • PNF and Movement
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    • 제21권2호
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    • pp.185-192
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    • 2023
  • Purpose: This study aimed to confirm the effectiveness of the diaphragm stretching technique as a treatment method for low back pain by evaluating maximum inspiratory pressure, maximum expiratory pressure, and changes in back mobility in patients with low back pain. Methods: Thirty-four patients with low back pain were randomly divided into two groups: an experimental group and a control group. The diaphragm stretching technique was conducted in the experimental group, and the placebo intervention was conducted in the control group. The diaphragm stretching technique was conducted once, maintaining tension for 7 min. The placebo intervention was conducted in the same position as the diaphragm stretching technique, but with only light contact maintained without pressure. Maximum inspiratory pressure, maximum expiratory pressure, and back mobility were measured before and after the intervention, and the changes were compared and analyzed. A paired sample t-test was used to compare measurements within the group before and after the intervention. An independent t-test was used to compare the experimental and control groups. Statistical significance (α) was set at 0.05. Results: In the experimental group, maximum inspiratory pressure, maximum expiratory pressure, and back mobility increased significantly after the intervention (p < 0.05). However, there was no significant difference in the changes in all areas of the control (p > 0.05). As a result of comparative analysis of changes before and after the intervention, there were significant differences in maximum inspiratory pressure, maximum expiratory pressure, and back mobility only in the experimental group (p < 0.05). Conclusion: The diaphragm stretching technique improved maximum inspiratory pressure, maximum expiratory pressure, and back mobility compared to the placebo intervention. Therefore, the diaphragm stretching technique can be recommended as a physical therapy intervention to improve pain in patients with LBP.

퇴원시 간호정보 제공이 개심술 환자의 지식, 신체증상, 상태불안 및 일상활동에 미치는 효과에 관한 연구 (The Effects of Nursing Information on knowledge, physical symptoms, state anxiety and daily activity levels of patients recovering from open heart surgery)

  • 김금순;유경희
    • 대한간호학회지
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    • 제21권3호
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    • pp.257-267
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    • 1991
  • This study investigated the effects of nursing in formation given verbally and a booklet on the knowledge, Physical symptoms, anxiety and daily activities of patients recovering from open heart surgery from just before discharge to six weeks after discharge. The convenience sample was of patients who had undergone open heart surgery in Seoul National University Hospital. The first 25 patients who agreed to participate in the study became the control group. They did not receive the intentional information but the usual nursing care. The next 28 patients became the experimental group who received a booklet about their post-discharge care which was discussed with them by the researcher before discharge. This study used a non equivalent control group non - synchronized quasiexperimental design. The tools included a 30 item knowledge scale, a 9 item physical symptom scale, Spielberger's state anxiety scale, and a 28 item daily activity scale. The instruments were applied before discharge and at two and six weeks after discharge. For data analysis, frequency, t-test, Pearson's Correlational Coefficient and Cronbach's $\alpha$ were used. The results were as follows : 1. Information given through the booklet was effective in increasing the knowledge of patients recovering from open heart surgery. The experimental group's knowledge was higher at 2 weeks after discharge than prior to discharge (P<0.05). 2. There was no significant difference in physical symptoms between the two groups at two and six weeks after discharge. 3. Information given through the booklet was effective in decreasing the State Anxiety two weeks after discharge (P<0.001) but at six weeks after discharge, there was no significant difference in anxiety between the control and the experimental groups. 4. There was no significant difference in daily activity between the two groups at two and six weeks after discharge. 5. There was a negative correlation between knowledge at discharge and at 2 weeks and anxiety at 2 weeks after discharge. There was a positive correlation between knowledge at discharge and daily activity at 2 weeks after discharge. There was a negative correlation between knowledge at 2 weeks and Physical symptom at 6 weeks after discharge.

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중환자가 지각한 가족지지와 절망감과의 관계연구 (Family Support and Hopelessness in Patients Admitted to Neuro-Surgical Intensive Care Unit)

  • 김현실;조미영
    • 대한간호학회지
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    • 제22권4호
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    • pp.620-635
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    • 1992
  • This study identified correlations between perceived family support and hopelessness in patients admitted to Neuro - surgical Intensive Care Units. The purpose was to enhance theoretical understanding of the relationships of these two variables. The subjects of this study were 51 patients admitted to N-lCU, at three general hospitals in Seoul. Data were collected by researcher in structured interviews from Aug. 12 to Oct. 13, 1992. The research tools were parts of the Moos Family Environment Scale and the Beck Hopelessness Scale. The general characteristic data were analyzed for frequency and percentage ; the hypothesis was tested by the pearson product Moment Correlation Coefficient. After normality tests by using Kolmogorov - Sminorvtest, and T- test, ANOVA and Mann-Whitney U test, Kruskal -Wallis test were used on the Family Support and the Hopelessness about general charcteristics. The results of the above analysis were as follows 1) The average family support score for the group was 63.61 (tool average 51) and item average was 3.74 (tool item average 3) : the family support score of this sample was higher than average. The average family cohesion score of family support was 35.25 (tool average 27) and item average was 3.91 (tool item average 3). The average family expression score of family support was 28.35 (tool average 24) and item average was 3.57 (tool average 3). In this sample, perceived family expression was lower than family cohesion. 2) The average hopelessness score was 45.88 (tool average 60) and item average was 2.29 (tool item average 3) : the hopelessness score of this sample was low in comparison to the average. 3) The hypothesis in this study was supported. The main hypothesis that the higher the perceived family support level, the lower the level Of the hopelessness, was Supported (r=-.3869 p=.003). The sub-hypothesis that the higher the perceived family cohesion level, the lower the level of hopelessness, was supported(r=-.3688 p=.004). The sub-hypothesis that the higher the perceived family expression level, the lower the level of hopelessness, was supported (r=-.3068 p=.014). 4) General characteristics of the objects related to family support were ‘economic status’(p=.025) and ‘helping person’(P=.044) : the higher the economic status, the greater the family support. When the patient identified the helping person as a spouse, family support was rated more highly. The only general characteristic related to family cohesion was ‘helping person’(p=.041). No general characteristics were related to family expression. 5) The one general characteristic related to hopelessness was ‘education’(p=.002) : the higher their education, the lower their hopelessness. For these ICU patients, were related perceived family support and hopelessness, and family expression level was low in comparison to family cohesion level. The perceived family support of these seriously ill patients in situational crisis may have influenced the patient's emotional reaction of hopelessness. This study concluded that nurses in the ICU confirm the family support of the patient, and involve the family as the most intimate support systems in the care of the patient to help reduce the patient's hopelessness.

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혈소판기능분석기를 이용한 선택적 세로토닌 재흡수 억제제와 세로토닌 노르에피네프린 재흡수 억제제의 출혈 경향성 비교 (Comparison of Bleeding Tendency Between Selective Serotonin Reuptake Inhibitors and Serotonin Norepinephrine Reuptake Inhibitors Using Platelet Function Analyzer)

  • 구승모;김현;이강준
    • 정신신체의학
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    • 제29권2호
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    • pp.153-161
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    • 2021
  • 연구목적 본 연구는 주요우울장애 환자들을 대상으로, 혈소판기능분석기(Platelet Function Analyzer, PFA-100)를 사용하여 선택적 세로토닌 재흡수 억제제(Selective Serotonin Reuptake Inhibitors, SSRI)와 세로토닌 노르에피네프린 재흡수 억제제(Serotonin Norepinephrine Reuptake Inhibitors, SNRI)의 출혈 경향성을 분석하고, 두 군 사이의 차이를 비교 분석하고자 하였다. 방 법 본 연구는 단일 기관에서 시행된 전향적 개방연구로 DSM-5 진단기준에 의해 주요우울장애로 진단받은 총 41명을 대상으로 하였다. 대상군을 무작위 배정에 따라 각각 SSRI (Escitalopram) 투여군과, SNRI (Duloxetine) 투여군으로 분류하였다. 각 항우울제를 투여 받기 전과 6주가 지난 시점에 혈소판기능분석기(Platelet Function Analyzer, PFA-100)를 이용하여 폐색시간(Closure Time, CT)을 측정하였다. 특정 항우울제가 폐색시간에 영향을 미치는지 알아보기 위해 각 군 내에서 대응표본 t-검정(Paired t-test)을 시행하였고, 두 군 사이에 혈소판 기능의 상대적인 변화를 확인하기 위해 공분산 분석(Analysis Of Covariance, ANCOVA)을 시행하여 두 군의 폐색시간의 변화를 비교 분석하였다. 결 과 SSRI군과 SNRI군에서 약물 투여 전과 6주후 폐색시간(CEPI-CT, CADP-CT)에 대한 유의한 변화는 없었고, 두 군 간의 폐색시간 변화량에도 차이가 없었다. 결 론 혈소판기능분석기(Platelet Function Analyzer, PFA-100)를 통해 SSRI인 Escitalopram과 SNRI인 Duloxetine간의 출혈경향성에 차이가 없음을 보였다. 향후 다양한 항우울제를 대상으로 출혈경향성에 대한 추가적인 대규모 연구가 필요할 것으로 보인다.

노인의 사회적 지지와 삶의 질에 관한 연구 -일반가정노인과 양로원노인을 대상으로- (A Study on Social Support and the Quality of Life in the Elderly(The comparative analysis between home residents and institution residents))

  • 채수원;오경옥
    • 대한간호학회지
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    • 제22권4호
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    • pp.552-568
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    • 1992
  • Recent improvements in the standard of living, national income and medical care, and a decline in the infant death rate which have occurred related to economic growth and modernization, have led to a longer average life-span and a higher ratio of elderly people in the total population, Therefore, not only in the field of nursing science, but also in the field of many other discipline, issues concerning the elderly have been given increasing interest. A great deal of effort has been spent on increasing the quality of life for elderly people. This study was conducted to analyze the correlation between social support and quality of life. The sample consisted of III subjects residing at home and 107 subjects residing in institutions all of whom were over 65 years of age. The data collection period was from October 23, 1990 to January 26, 1991. Social support was measured using the Norbeck social Support Questionnaire developed by Norbeck, translated by Oh, Ka Sil and quality of life was measured using the QOL scale developed by No, You Ja. Data were analyzed using pereentages, t-test, Pearson Correlation Coefficient and ANOVA. The results of this study are as follows : 1. There was a statistically signifivant difference in the level of social support between the two groups (t=-8.83, p<.001), The elderly at home reported a much higher level of social support. 2. There was a statistically significant difference in the level of QOL between the two groups (t=-5.77, p<.001) . The elderly at home reported a much more positive quality of life. 3. There was a positive correlation between social support and QOL for the elderly at home ard it was statistically significant (r=.32, p<.001). 4. There was a postitive collealtion between social support and QOL for the elderly in institutions and it was also statistically significant (r=.19, p<.05). 5. The relationship between the general characteristics of the elderly at home and the variables of social support and of QOL were as follows ; 1) according to sex(t=10.57, p<.01) and the number of offspring(F=6.19, p<.01), there was a statistically significant difference in social support. 2) according to amount of Pocket money, there was a statistically significant difference in QOL(F=2.98, p<.05). 6. The relationship between the general characteristics of the elderly in institutions and the two variables were as follows ; 1) according to sex(t=6.24, p<.05), the number of offspring(F=6.16, p<.001) and religion (F=2.58, p<.05), there was a statistically significant difference in social support. 2) according to religion, there was a statistically significant difference in QOL(F=2.90, p<.05). In conclusion, it can be said that social support is an important variable related to QOL in the elderly and that social support levels are higher for the elderly residing at home. Therefore, more specific and objective approaches and efforts are needed to effectively use resources to maintain the elderly at home and to enhance social support available to the elderly in institutions and thereby increase QOL regardless of residence.

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경증치매노인을 위한 뇌 활성화 중재프로그램의 효과 (Effects of Brain activation Intervention Programs for Mild Dementia)

  • 주경복;임동영;이명남;정나나
    • 한국산학기술학회논문지
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    • 제19권5호
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    • pp.312-322
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    • 2018
  • 본 연구는 뇌 활성화 중재프로그램을 경증치매노인에게 적용하여 경증치매노인의 인지기능, 행동심리적 증상, 우울 및 일상생활수행능력에 미치는 효과를 파악하는데 목적을 두고 수행 하였다. 본 연구의 연구 대상자는 실험군 20명과 대조군 20명으로 총 40명이었다. 본 연구의 자료 수집은 서울시 노원구에 소재한 치매지원센터에서 2016년 11월 1일부터 2017년 3월 31일까지 자료가 수집 되었다. 수집된 자료의 분석방법은 SPSS 23.0K을 이용하여 기술통계, Chi-square test, independent t-test, Two-way Repeated Measures ANOVA, ANCOVA로 분석 하였다. 본 연구에서 경증치매노인을 대상으로 뇌 활성화 중재프로그램을 8주간의 강의 및 프로그램을 시행한 결과 대상자 경증치매노인의 인지기능이 유의하게 향상되었고, 우울감이 유의하게 감소하였다. 본 연구 결과를 토대로 치매노인에게 적용한 뇌 활성화 중재프로그램으로 인지기능의 향상으로 일상생활에도 도움을 줄 수 있고, 치매노인의 우울을 완화시키는 것으로 나타나 차후에 지역사회 프로그램에 활용되도록 하는 기초자료로 지역사회에서 연계하는 프로그램으로 도움이 될 것으로 사료된다.

영아기 어머니역할 교육 프로그램이 모아상호작용과 영아발달에 미치는 효과 (Effects of Maternal Role Education Program on the Mother-Infant Interaction and Infant Development)

  • 방경숙
    • Child Health Nursing Research
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    • 제7권1호
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    • pp.21-34
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    • 2001
  • The impact of childhood experience has lifelong significance on subsequent health and development. Especially, the experience of infant is mostly affected by the quality of parental care and rearing environment. But the new mothers usually do not know what to do because of the lack of experience in these days. Therefore, an educational program regarding maternal role would be necessary. This study was conducted to evaluate the effectiveness of the maternal role education program for mother-infant interaction, child-rearing environment, and infant development. Non-equivalent control group time-series design was used, and Barnard's mother-infant interaction model was used as a conceptual framework of this study. The subjects were the healthy infants weighing over 2,500gm at birth, whose gestational age was more than 37 weeks, and their mothers. The final sample consisted of 19 mother-infant dyads for intervention group and 18 dyads for control group. Data were collected from March 15th to September 3rd in 1999. For the intervention group, programmed education which focused on mother-infant interaction, breast feeding, and infant care was provided before discharge. Telephone counselling was provided within one week after discharge. Home visiting for maternal role education was provided twice, one month and three months postpartum. For the control group, home visiting was also conducted but only for data collection. The data were analyzed using chi-square test and t-test to test the equivalence of two groups, and the effectiveness of intervention program was determined with repeated measure ANCOVA and t-test. The results were as follows: 1. Significant differences were found in mother-infant interaction between two groups(p=.000). It indicates that intervention program was effective in improving mother- infant interaction. In subscale analysis, four out of six subscale showed significant differences between the groups: sensitivity to cues (p=.000), social-emotional growth fostering (p=.000), cognitive growth fostering(p=.000) in mothers, and responsiveness to caregiver (p=.019) in infants. 2. The difference in the mean score of childrearing environment (HOME) between the intervention group and control group was significant(p=.003). When each subscale of HOME was examined individually, intervention group showed significantly higher scores in the diversity of stimulation(p=.000), and mother's involvement(p=.001). 3. Three-month-Infants of the intervention group showed higher GQ in the Griffiths mental development scale(p=.026). In subscale analysis, significant differences were found in the personal-social(p=.005), and the hearing and speech(p=.003). In conclusion, the maternal role education program proved to be effective in promoting the mother-infant interaction, organizing the childrearing environment, and fostering the infant development. These results are very meaningful that we found maternal role education necessary for normal infants' mothers, and that nurses can make a great contribution in promoting health of infants and mothers.

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한국형 골관절염영향측정척도(KAIMS) 도구개발 - 무릎 및 엉덩관절의 골관절염환자 중심 - (Development of Instrument for Korean Osteoarthritis Impact Measurement Scale (KAIMS) in Hip and Knee Osteoarthritis)

  • 이승주;김진섭
    • The Journal of Korean Physical Therapy
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    • 제26권2호
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    • pp.82-89
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    • 2014
  • Purpose: This study was conducted in order to develop an instrument for the Korean Osteoarthritis Impact Measurement scale (KAIMS) in hip and knee osteoarthritis patients. Methods: A sample of 426 subjects was recruited in Ulsan metropolitan city (six hospitals and clinics) and Andong city (five hospitals and clinics) from June 2010 to May 2011. Item internal consistency and item discriminant validity were analyzed on the item-level, and floor (%) and ceiling (%) effect were analyzed on the scale-level. Exploratory factor analysis was performed for construction of items in the KAIMS instrument; confirmative factor analysis was also performed to test the fit of the model. Results: In 426 respondents, age was 64.3 years. The reliability for r coefficient 0.90 (mobility) and 0.89 (pain and stiffness) (Cronbach's alpha 0.95, 0.95 respectively) was high in the test-retest, and there was no significant difference in paired t-test (p>0.05). Item internal consistency (${\alpha}=0.92$, ${\alpha}=0.87$ respectively) was also high. It was constructed of two factors (mobility, pain and stiffness dimension) and nine items in explanatory factor analysis; results of confirmatory factor analysis also indicated that the dimensional structure model was fitted well in the test of model fit (${\chi}^2=83.83$, df=26, p=0.000; RMR=0.05; GFI=0.96; AGFI=0.83). Conclusion: In conclusion, the results of this study showed that the KAIMS that was developed was a reliable and valid instrument for measurement of osteoarthritis (OA) patients. We recommend further research for additional development of the instrument on OA in Korea.

일부 중학생의 인터넷 사용 수준에 따른 건강증진행위 비교 연구 (A Comparative Study on the Health Promoting Behavior between Average Internet Users and Excessive Internet Users in Middle School Students)

  • 한선희;오복창;장인순
    • 지역사회간호학회지
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    • 제14권1호
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    • pp.66-74
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    • 2003
  • Purpose: This study was conducted to identify the difference of the health promoting behaviors between average Internet users and excessive Internet users. Method: Data were collected from a convenient sample of 465 middle school students from June 7th to 17th, 2002, based on a self reported questionnaire. The instruments included were the Health Promotion Behaviors reconstructed by the author based on the Health Promoting Lifestyle Profile (Walker, Sechrist & Pender, 1987) and Internet addiction test translated by Center for Internet Addiction Prevention and Counseling based on Young's test. Data were analyzed with N, %, x2 test, t-test and Pearson's correlation coefficient. Result : 1. There were no significant differences in general characteristics between average Internet users and excessive Internet users. 2. There were significant differences between two groups in diet behavior(p=.030), even though there were no differences in general health promoting behaviors(p=.109). 3. There were significant negative correlations between Internet use and diet behavior (r=-.193, p=.000). Therefore, average Internet users had more desirable diet behavior than excessive Internet users. Conclusion: Internet addiction prevention program should be conducted as part of a comprehensive school health promotion program. In addition, the results of this study should be considered in developing the school health education curriculum to rear students' responsibility on their health behaviors.

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